If command

Executes a block of commands if the condition evaluates to true.

Syntax

If cond
       block₁
[Else
       block₂]
EndIf
 

Where:

cond
   Condition evaluated in the If.

block₁
   Block that is executed if the cond condition evaluates to true.

block₂
   Block that is executed if the cond condition evaluates to false.

Scope

Objects: Procedure, Transaction, Web Panel, Work Panel, Panel Work With for Smart Devices
Generators: .NET, .NET Framework,  Java, RPG, Cobol, Ruby (up to GeneXus X Evolution 3), Visual FoxPro (up to GeneXus X Evolution 3)

Description

The If command allows you to condition the execution of command blocks.

Any command can be defined within block₁ and block₂ respectively.

Samples

If &del                    //&del is a boolean variable
  DelCustomer(CustomerId)  //DelClient is a Procedure and CustomerId is an attribute (with value in that context) sent by parameter
Else
  Return
EndIf

Restriction

When using this command in a Panel object or a Work With pattern and Work With object there is a restriction for the cond syntax. It can only contain a variable, attribute or SDT element of Boolean data type to be evaluated.